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Joined 2 years ago
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Cake day: August 24th, 2023

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  • My sister has that snap 4 luxe type item from Amazon and it definitely has such a strong magnet that even attached to the case, it will stay stuck on the wireless charger haha, but I doubt the peltier cooling as effective at keeping it cool because the case is quite thick with snap 4 luxe increasing thickness too. While for my case less phone with only the slim magsafe ring, it is working really effectively at cooling the phone.

    I tried those slim frameless cases that had a magsafe ring embedded, too. Unfortunately they were a complete failure. One issue is that they break on the corner that has the S-pen, and one case in particular would fail to stay attached on the phone properly. I wish they were made properly but they were epic fails.(The other case had a metal plate for the magsafe notch, fails at preventing product from twisting)

    I looked at those frameless types but they are made of metal and would affect wireless performance. on top of that the design made me feel uneasy.


  • I personally went without a case myself and also decided against putting anything on the phone except the ESR magnetic ring to make my s25 ultra able to attach to magsafe products.(Small dab of Loctite glass glue to keep it from popping off with the magsafe products or just slide off the product instead of straight popping it off)

    I agree on it helping the phone keep cooler without the case. I even got one of those peltier cooling qi2 wireless chargers to make the phone extra cool when I am driving.

    Its a bit annoying to think a bit more on where I place my phone down or holding it but at least I am making sure I am using the phone and placing it in places that will not lose it.



  • Get the loctite glass glue and place a few dots around to help with adhesion but nott too much that it is permanent when you want to remove it.

    I personally sprung for the ESR magsafe hololock ring because I wanted it to be as flush as possible on my Samsung S25 Ultra. Being slim but still help with attaching to magsafe products is nice, especially since I live in a place that gets hot, I bought a qi2 car charger that has a peltier cooling unit in it. Phone is ice cold when I slide it off the charger

    Side note:
    popping it perpendicular to the surface has shown me that without the loctite glass glue, the ESR magnet ring will stay on the charger. So I just make sure to slide it off horizontally.





  • Glibc’s qsort will default to either insertion sort mergesort or heapsort. Quicksort itself is used when it cannot allocate extra memory for mergesort or heapsort. Insertion sort is still used in the quicksort code, when there is a final 4 items that need to be sorted.

    Normally it is simply mergesort or heapsort. Why I know this? Because there was a recent CVE for quicksort and to reproduce the bug I had to force memory to be unable to be allocated with a max size item. It was interesting reading the source code.

    That is if you are not on a recent version of qsort which simply removed quicksort altogether for the mergesort + heapsort

    Older version still had quicksort and even some had insertion sort. Its interesting to look at all the different versions of qsort.





  • My phone is starting to take better document pictures than my printer. Especially if I hold my phone steady at the right height. I bet if I used a 3D printer to create a stand to hold it for me. Heck I could buy a giant bucket or rack or whatever and bright high color index lights to further improve image clarity to ungodly levels. Still, the Samsung camera app with the AI features already being preloaded that will likely be improved in the next 5 years will just get better. Printers and scanners are completely a pita.